haem-
variant of hem-.
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haem-
AmericanChiefly British.
haem
1
British
/ hiːm /
noun
haem-
2
British
combining form
Usage
What does haem- mean? Haem- is a combining form used like a prefix meaning “blood.” It is used in many medical terms, especially in pathology. Haem- comes from the Greek haîma, meaning “blood.”Chiefly used in British English, the combining form haem- is a variant of hem-, itself a variant of hemo- before a vowel. Want to know more? Read our Words That Use hem- and hemo- articles. Historically, haem- has been written as hæm-, featuring a ligature of the a and e. Other variants of haem- used like hemo- are hema-, hemat-, and hemato-. As with haem-, all these combining forms are often spelled with an additional a in British English, as in haema-, haemo-, haemat-, and haemato-. Also closely related to haem- are -aemia, -emia, -haemia, and -hemia, which are combined to the ends of words to denote blood conditions.
Etymology
Origin of haem
C20: shortened from haematin
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The wavelengths associated with the haem peaks are 605 nm, 560 nm, 552 nm and a broad peak at 630 nm for haems a, b, c and d, respectively.
From Nature ● Apr. 24, 2018
Top left, the chromatogram of the detergent-solubilized sample, showing traces for protein at 280 nm, haem c at 412 nm and haem a at 443 nm respectively.
From Nature ● Apr. 24, 2018
These other suspects include haem iron – a substance that is abundant in all red meat, processed or not – and heterocyclic amines: chemicals that form in meat during cooking.
From The Guardian ● Mar. 1, 2018
When P. falciparum invades red blood cells and feeds on their contents, it breaks down haemoglobin into amino acids and haem, a chemical compound that contains iron.
From Nature ● Aug. 30, 2014
I vas not vant der let haem git advantage mit me."—"How get the advantage?"—"Mine brudder noticed dot he was ein shoemaker und dot der Bresbyterians shtood oop ven dey bray.
From Donahoe's Magazine, Volume 15, No. 1, January 1886 by Various
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
